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1b2ef8582c
Asking a File if we could possibly read or write it will never mutate the asking FileDescription&, so it should be const.
18 lines
580 B
C++
18 lines
580 B
C++
#pragma once
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#include "CharacterDevice.h"
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class ZeroDevice final : public CharacterDevice {
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AK_MAKE_ETERNAL
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public:
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ZeroDevice();
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virtual ~ZeroDevice() override;
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private:
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// ^CharacterDevice
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virtual ssize_t read(FileDescription&, u8*, ssize_t) override;
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virtual ssize_t write(FileDescription&, const u8*, ssize_t) override;
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virtual bool can_read(const FileDescription&) const override;
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virtual bool can_write(const FileDescription&) const override { return true; }
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virtual const char* class_name() const override { return "ZeroDevice"; }
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};
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